From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755724AbbBDQ2F (ORCPT ); Wed, 4 Feb 2015 11:28:05 -0500 Received: from mout.kundenserver.de ([212.227.17.10]:56891 "EHLO mout.kundenserver.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1161068AbbBDQ1r (ORCPT ); Wed, 4 Feb 2015 11:27:47 -0500 From: Arnd Bergmann To: Zubair Lutfullah Kakakhel Cc: linux-mips@linux-mips.org, devicetree@vger.kernel.org, linux-serial@vger.kernel.org, linux-kernel@vger.kernel.org, gregkh@linuxfoundation.org, mturquette@linaro.org, sboyd@codeaurora.org, ralf@linux-mips.org, jslaby@suse.cz, tglx@linutronix.de, jason@lakedaemon.net, lars@metafoo.de, paul.burton@imgtec.com Subject: Re: [PATCH_V2 15/34] dt: clk: Add ingenic,jz4740-cgu binding documentation Date: Wed, 04 Feb 2015 17:27:23 +0100 Message-ID: <33166978.Cd8LolvEG6@wuerfel> User-Agent: KMail/4.11.5 (Linux/3.16.0-10-generic; KDE/4.11.5; x86_64; ; ) In-Reply-To: <1423063323-19419-16-git-send-email-Zubair.Kakakhel@imgtec.com> References: <1423063323-19419-1-git-send-email-Zubair.Kakakhel@imgtec.com> <1423063323-19419-16-git-send-email-Zubair.Kakakhel@imgtec.com> MIME-Version: 1.0 Content-Transfer-Encoding: 7Bit Content-Type: text/plain; charset="us-ascii" X-Provags-ID: V03:K0:5+1f/x6rTTDVNROSBa0kapTj6s3NVRHR0xf4GtNrLeSfXBGi7yo yhQljGT9hue/L6L1zZ8wMW028FDq5xhp2yvG3DmH5UIEW/2hisf9gSMyzXV6XIVQax4N15C 4pZNolb22SkEK0iLm7oOV9zQDgOQFl3SkJD0hDutb/iwunieqo6zXhefkqKbc+lnORWDqGU BR40jfxBcEGRxIEWazp4A== X-UI-Out-Filterresults: notjunk:1; Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On Wednesday 04 February 2015 15:21:44 Zubair Lutfullah Kakakhel wrote: > > +/ { > + ext: clock@0 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <12000000>; > + }; > + > + rtc: clock@1 { > + compatible = "fixed-clock"; > + #clock-cells = <0>; > + clock-frequency = <32768>; > + }; > + > + &cgu { > + clocks = <&ext> <&rtc>; > + clock-names: "ext", "rtc"; > + }; > +}; > diff --git a/include/dt-bindings/clock/jz4740-cgu.h b/include/dt-bindings/clock/jz4740-cgu.h > new file mode 100644 > index 0000000..43153d3 > --- /dev/null > +++ b/include/dt-bindings/clock/jz4740-cgu.h > @@ -0,0 +1,37 @@ > +/* > + * This header provides clock numbers for the ingenic,jz4740-cgu DT binding. > + * > + * They are roughly ordered as: > + * - external clocks > + * - PLLs > + * - muxes/dividers in the order they appear in the jz4740 programmers manual > + * - gates in order of their bit in the CLKGR* registers > + */ > + > +#ifndef __DT_BINDINGS_CLOCK_JZ4740_CGU_H__ > +#define __DT_BINDINGS_CLOCK_JZ4740_CGU_H__ > + > +#define JZ4740_CLK_EXT 0 > +#define JZ4740_CLK_RTC 1 > +#define JZ4740_CLK_PLL 2 > +#define JZ4740_CLK_PLL_HALF 3 So there are fixed clocks for ext and rtc that are used as inputs to the cgu, but also outputs with the same name. How do these relate? Arnd